CN115106072A - Method for removing organic matters in activated carbon - Google Patents
Method for removing organic matters in activated carbon Download PDFInfo
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- CN115106072A CN115106072A CN202210864353.0A CN202210864353A CN115106072A CN 115106072 A CN115106072 A CN 115106072A CN 202210864353 A CN202210864353 A CN 202210864353A CN 115106072 A CN115106072 A CN 115106072A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3416—Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3441—Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3475—Regenerating or reactivating using a particular desorbing compound or mixture in the liquid phase
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
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Abstract
The invention discloses a method for removing organic matters in activated carbon, which comprises the following steps: weighing a proper amount of active carbon, and removing impurities of the active carbon; carrying out coagulation treatment on the activated carbon, and separating the activated carbon from a coagulation liquid after coagulation; carrying out photocatalytic treatment on the activated carbon, and further removing organic molecules on the surface of the activated carbon; drying the active carbon from which the organic matters are removed, and storing the active carbon after the treatment is finished. According to the method for removing the organic matters in the activated carbon, the activated carbon after impurity removal is placed in the reaction kettle, the activated silicic acid and the sodium hypochlorite are added into the reaction kettle, after the addition is completed, the reaction kettle is started to stir the materials, the sodium hypochlorite can increase the coagulation effect of the organic matters on the activated carbon and the activated silicic acid, the coagulation efficiency can be increased through stirring and heating of the reaction kettle, the time for removing the organic matters is saved, and the method has the advantage of conveniently increasing the coagulation efficiency.
Description
Technical Field
The invention relates to the technical field of organic matter removal, in particular to a method for removing organic matters in activated carbon.
Background
The active carbon is a black porous solid carbon, the main component of the active carbon is carbon, and contains a small amount of elements such as oxygen, hydrogen, sulfur, nitrogen, chlorine and the like, the active carbon is irregularly arranged in structure, pores are formed among cross connections, carbon tissue defects are generated during activation, the bulk density is low, the specific surface area is large, the active carbon has strong adsorption performance, and the active carbon is an industrial adsorbent with wide application. The organic matter is a generic name of carbon-containing compounds or hydrocarbons and derivatives thereof, mainly composed of carbon elements and hydrogen elements, is the material basis for life production, and all living bodies contain organic compounds, such as fat, amino acids, proteins, sugar, heme, chlorophyll, enzymes, hormones, and the like. Metabolism in organisms and genetic phenomena of organisms all relate to conversion of organic compounds, in the prior art, activated carbon is generally used for adsorbing organic matters generated in industrial production, but the activated carbon is difficult to recycle after adsorbing the organic matters, and the economy is poor, so that the method for removing the organic matters in the activated carbon is generally used for removing the organic matters in the activated carbon.
The following problems exist in the prior art:
in a general method for removing organic matters in activated carbon, when the organic matters in the activated carbon are removed, the generated compounds are easy to pollute the environment, and the preparation process is complicated and the efficiency is low.
Disclosure of Invention
The invention aims to provide a method for removing organic matters in activated carbon, which has the advantages of simple process and high efficiency, and can solve the problems that compounds produced by the common method for removing the organic matters in the activated carbon easily pollute the environment, the preparation process is complicated, and the efficiency is low.
In order to achieve the above purpose, the solution of the invention is:
a method for removing organic matters in activated carbon comprises the following steps:
s1, weighing a proper amount of activated carbon, and removing impurities; s2, carrying out coagulation treatment on the activated carbon, and separating the activated carbon from the coagulation liquid after coagulation; s3, carrying out photocatalytic treatment on the activated carbon, and further removing organic molecules on the surface of the activated carbon; and S4, drying the activated carbon with the organic matters removed, and storing the activated carbon after the treatment is finished.
The technical scheme of the invention is further improved as follows: s1 still including weighing appropriate amount of active carbon, utilize devices such as filter screen and dust absorption fan to adsorb dust and impurity on its surface, collect 7.5 ~ 10kg activated carbon after the edulcoration for subsequent use.
The technical scheme of the invention is further improved as follows: and S2 further comprises the steps of placing the activated carbon weighed in S1 after impurity removal in a reaction kettle, adding 30-40L of distilled water into the reaction kettle, adding 1.5-2kg of active silicic acid, adding 0.5-1.5kg of sodium hypochlorite into the reaction kettle, starting the reaction kettle to stir the materials after the addition is completed, controlling the temperature of the materials to be 20 ℃, controlling the reaction time to be 30-35min, and separating organic matters on the surface of the activated carbon.
The technical scheme of the invention is further improved as follows: and S2, separating the activated carbon with the organic matters on the surface from the coagulation liquid, and drying the activated carbon for 30-40min by using a heating lamp to remove the water on the surface of the activated carbon.
The technical scheme of the invention is further improved as follows: and S3, placing the activated carbon treated in S2 in centrifugal mixing equipment, adding 1-1.5kg of titanium dioxide into the centrifugal mixing equipment, controlling the rotating speed of the centrifugal mixing equipment to be 120-130 r/min, placing the mixture of the activated carbon and the titanium dioxide under an ultraviolet lamp, starting the ultraviolet lamp to irradiate the mixture for 15-20 min, and generating OH from the titanium dioxide under the catalysis of ultraviolet rays to decompose organic matters on the activated carbon.
The technical scheme of the invention is further improved as follows: and S4, placing the activated carbon treated in the S3 under a drying lamp for drying for 1-1.5 hours, preventing the activated carbon from being sealed in a glass bottle after the drying is finished, and then placing the glass bottle in a shade place for storage.
After the scheme is adopted, compared with the prior art, the invention has the following technical progress:
(1) the sodium hypochlorite can improve the coagulation effect of the organic matters on the activated carbon and the active silicic acid, and the coagulation efficiency can be improved by stirring and heating the reaction kettle, so that the time for removing the organic matters is saved, and the method has the advantage of conveniently improving the coagulation efficiency.
(2) The invention provides a method for removing organic matters in activated carbon, which adopts titanium dioxide to treat the organic matters on the surface of the activated carbon, has obvious effect, can repeatedly use the titanium dioxide, and has the advantages of no toxicity, no secondary pollution, good chemical stability, high catalytic activity, strong oxidation capacity, low cost and better economic benefit.
(3) The invention provides a method for removing organic matters in activated carbon, which comprises the steps of placing the activated carbon in a glass bottle for sealing, and then placing the glass bottle in a shade place for storage, wherein the glass bottle can isolate water vapor in the air, so that the activated carbon is prevented from absorbing water to be saturated.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solution and the advantages of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the present invention provides a method for removing organic matters from activated carbon, which comprises the following steps:
s1, weighing a proper amount of activated carbon, and removing impurities;
specifically, a proper amount of activated carbon is weighed, dust and impurities on the surface of the activated carbon are adsorbed by a filter screen, a dust absorption fan and other devices, and 7.5-10 kg of the activated carbon after impurity removal is collected for later use;
s2, carrying out coagulation treatment on the activated carbon, and separating the activated carbon from the coagulation liquid after coagulation;
specifically, the activated carbon weighed in the step S1 and subjected to impurity removal is placed in a reaction kettle, 30-40L of distilled water is added into the reaction kettle, 1.5-2kg of active silicic acid is added, 0.5-1.5kg of sodium hypochlorite is added into the reaction kettle, after the addition is completed, the reaction kettle is started to stir the materials, the temperature is controlled to be 20 ℃, the reaction time is 30-35min, and organic matters on the surface of the activated carbon are separated;
the step S2 further comprises the steps of separating the activated carbon with the organic matters on the surface removed from the coagulation liquid, and drying the activated carbon for 30-40min by using a heating lamp to remove the water on the surface of the activated carbon;
s3, carrying out photocatalytic treatment on the activated carbon, and further removing organic molecules on the surface of the activated carbon;
and S4, drying the activated carbon with the organic matters removed, and storing the activated carbon after the treatment is finished.
In this embodiment, place in reation kettle through the active carbon after with the edulcoration, add to drop into active silicic acid and sodium hypochlorite toward reation kettle in, after the interpolation is accomplished, start reation kettle and stir above-mentioned material, the sodium hypochlorite can increase the organic matter on the active carbon and active silicic acid's the effect of coagulating, can increase coagulation efficiency through reation kettle's stirring and heating to save the time of getting rid of the organic matter.
Example 2
As shown in fig. 1, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the activated carbon treated by the S2 is placed in a centrifugal mixing device, 1-1.5kg of titanium dioxide is added into the centrifugal mixing device, the rotating speed of the centrifugal mixing device is controlled to be 120-130 r/min, the mixture of the activated carbon and the titanium dioxide after being mixed is placed under an ultraviolet lamp, the ultraviolet lamp is started to irradiate the mixture for 15-20 min, and the titanium dioxide generates OH under the catalysis of ultraviolet rays to decompose organic matters on the activated carbon.
In this embodiment, through placing the active carbon in centrifugal mixing equipment, add titanium dioxide again in centrifugal mixing equipment, the active carbon that will mix the end and titanium dioxide mixture place under ultraviolet lamp, start ultraviolet lamp and shine it, titanium dioxide produces the organic matter on the OH decomposition active carbon under the ultraviolet catalysis, adopt titanium dioxide to handle the organic matter on active carbon surface, the effect is showing, titanium dioxide repeatedly usable, and nontoxic, no secondary pollution, chemical stability is good, catalytic activity is high, the oxidability is strong, low-priced with low costs.
Example 3
As shown in fig. 1, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the step of S4 further comprises the step of placing the activated carbon treated in the step of S3 under a drying lamp for drying for 1 to 1.5 hours, sealing the activated carbon in a glass bottle after the drying is finished, and then placing the glass bottle in a shade for storage.
In this embodiment, through placing the active carbon after handling under the drying lamp dry, prevent to seal the active carbon in the glass bottle after the drying finishes, place the glass bottle again and preserve in shade, the vapor in the glass bottle can completely cut off the air, avoids the active carbon to adsorb moisture saturation.
The working principle of the method for removing organic matters from the activated carbon is described in detail below.
As shown in figure 1, the activated carbon after impurity removal is placed in a reaction kettle, active silicic acid and sodium hypochlorite are added into the reaction kettle, after the addition is completed, the reaction kettle is started to stir the materials, the sodium hypochlorite can increase the coagulation effect of organic matters on the activated carbon and the active silicic acid, the coagulation efficiency can be increased through the stirring and heating of the reaction kettle, so that the time for removing the organic matters is saved, and the advantages of convenient coagulation efficiency increase are achieved. Titanium dioxide repeatedly usable, nontoxic moreover, no secondary pollution, chemical stability is good, and is with low costs, and economic benefits is better, places the active carbon after will handling under the drying lamp dry, prevents to seal the active carbon in the glass bottle after the drying finishes, places the glass bottle again in shade department and preserves, and the glass bottle can completely cut off the vapor in the air, avoids active carbon adsorption moisture saturation.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (6)
1. A method for removing organic matters in activated carbon is characterized by comprising the following steps:
s1, weighing activated carbon, and removing impurities;
step S2, carrying out coagulation treatment on the activated carbon, and separating the activated carbon from the coagulation liquid after coagulation;
step S3, carrying out photocatalytic treatment on the activated carbon, and further removing organic molecules on the surface of the activated carbon;
and step S4, drying the activated carbon with the organic matters removed, and storing the activated carbon after the treatment is finished.
2. The method for removing organic matters from activated carbon according to claim 1, wherein: and step S1, weighing a proper amount of activated carbon, adsorbing dust and impurities on the surface of the activated carbon by using a filter screen and a dust absorption fan, and collecting 7.5-10 kg of the activated carbon after impurity removal for later use.
3. The method for removing organic matters from activated carbon according to claim 1, wherein: and S2, placing the activated carbon weighed in S1 and subjected to impurity removal in a reaction kettle, adding 30-40L of distilled water into the reaction kettle, adding 1.5-2kg of active silicic acid, adding 0.5-1.5kg of sodium hypochlorite into the reaction kettle, starting the reaction kettle to stir the materials after the addition is finished, controlling the temperature of the materials to be 20 ℃, and separating organic matters on the surface of the activated carbon for 30-35 min.
4. The method for removing organic matters from activated carbon according to claim 3, wherein: and step S2, separating the activated carbon with the organic matters on the surface removed from the coagulation liquid, and drying the activated carbon for 30-40min by using a heating lamp to remove the water on the surface of the activated carbon.
5. The method for removing organic matters from activated carbon according to claim 1, wherein: and S3, placing the activated carbon treated in S2 in a centrifugal mixing device, adding 1-1.5kg of titanium dioxide into the centrifugal mixing device, controlling the rotating speed of the centrifugal mixing device at 120-130 r/min, placing the mixture of the activated carbon and the titanium dioxide under an ultraviolet lamp, starting the ultraviolet lamp to irradiate the mixture for 15-20 min, and generating OH from the titanium dioxide under the catalysis of ultraviolet rays to decompose organic matters on the activated carbon.
6. The method for removing organic matters from activated carbon according to claim 1, wherein: and S4, placing the activated carbon treated in the step S3 under a drying lamp for drying for 1-1.5 hours, placing the activated carbon in a glass bottle for sealing after the drying is finished, and then placing the glass bottle in a shade place for storage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210864353.0A CN115106072A (en) | 2022-07-22 | 2022-07-22 | Method for removing organic matters in activated carbon |
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| CN202210864353.0A CN115106072A (en) | 2022-07-22 | 2022-07-22 | Method for removing organic matters in activated carbon |
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2022
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